6. Power on the low beams of the headlights. Re-aim the headlights so that the top edge of the high-
intensity zone is aligned to the horizontal center line marking, and the left edge of the high-intensity
zone is aligned to the vertical center line marking for the respective headlight. See Figure 2 for
reference.
Marking for vertical center line
of driver plow headlight
Marking for horizontal
center line of plow headlights
ICON Series ICSSPL-P Snow Plow Headlight
Federal Signal worktruck.fedsig.com
Installing the ICON Series ICSSPL-P Snow Plow Headlight
Figure 2 Headlight Aiming Procedure
High-intensity zone of
driver plow headlight
Marking for vertical
center line of vehicle
Marking for vertical center line
of passenger plow headlight
High-intensity zone of
passenger plow headlight
Screen 25' from
plow headlights
5